Quantum brachistochrone von Koike, Tatsuhiko

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A general formulation of time-optimal quantum control and optimality of singular protocols von Wakamura, Hiroaki, Koike, Tatsuhiko

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Brachistochrone of entanglement for spin chains von Carlini, Alberto, Koike, Tatsuhiko

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Distinguishability of countable quantum states and von Neumann lattice von Kawakubo, Ryûitirô, Koike, Tatsuhiko

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Time-optimal unitary operations in Ising chains: unequal couplings and fixed fidelity von Carlini, Alberto, Koike, Tatsuhiko

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Exactly solvable strings in Minkowski spacetime von Kozaki, Hiroshi, Koike, Tatsuhiko, Ishihara, Hideki

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Spin Amplification in an Inhomogeneous System von Endo, Suguru, Matsuzaki, Yuichiro, Munro, William J., Koike, Tatsuhiko, Saito, Shiro

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Limits on amplification by Aharonov-Albert-Vaidman weak measurement von Koike, Tatsuhiko, Tanaka, Saki

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Spacetime constructed from a contact manifold with a degenerate metric von Kozaki, Hiroshi, Ishihara, Hideki, Koike, Tatsuhiko, Morisawa, Yoshiyuki

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Nambu-Goto strings with a null symmetry and contact structure von Kozaki, Hiroshi, Koike, Tatsuhiko, Morisawa, Yoshiyuki, Ishihara, Hideki

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Critical behavior in gravitational collapse of radiation fluid: A renormalization group (linear perturbation) analysis von Koike, T, Hara, T, Adachi, S

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Time-optimal control theory in quantum systems and singular control von Wakamura, Hiroaki, Koike, Tatsuhiko

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Cohomogeneity-one-string integrability of spacetimes von Morisawa, Yoshiyuki, Hasegawa, Soichi, Koike, Tatsuhiko, Ishihara, Hideki

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Time-optimal quantum evolution von Carlini, Alberto, Hosoya, Akio, Koike, Tatsuhiko, Okudaira, Yosuke

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Big bounce as the scattering of the wave function at the big crunch von Amemiya, Fumitoshi, Koike, Tatsuhiko

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Time-optimal unitary operations von Carlini, Alberto, Hosoya, Akio, Koike, Tatsuhiko, Okudaira, Yosuke

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Time-optimal CNOT between indirectly coupled qubits in a linear Ising chain von Carlini, Alberto, Hosoya, Akio, Koike, Tatsuhiko, Okudaira, Yosuke

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Time optimal quantum evolution of mixed states von Carlini, Alberto, Hosoya, Akio, Koike, Tatsuhiko, Okudaira, Yosuke

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Disturbance by optimal discrimination von Kawakubo, Ryûitirô, Koike, Tatsuhiko

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Reduced phase space quantization of FRW universe von Amemiya, Fumitoshi, Koike, Tatsuhiko

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